Tolong no 3 yang a dan b besok harus dikumpulin please
5dregensleyer
F(2) ⇒ 2a + b = 12 f(-3) ⇒ -3a +b = - 32 _ 5a = 45 a = 45/5 a = 9 subtitusikan 2a + b = 12 b = 12 - 2a b = 12 -2(9) b = 12 - 18 b = -6 jawaban soal A nilai a = 9 dan nilai b = -6 jawaban soal B rumus f(x) = ax + b = 9x - 6
f(-3) ⇒ -3a +b = - 32 _
5a = 45
a = 45/5
a = 9
subtitusikan
2a + b = 12
b = 12 - 2a
b = 12 -2(9)
b = 12 - 18
b = -6
jawaban soal A
nilai a = 9 dan nilai b = -6
jawaban soal B
rumus
f(x) = ax + b
= 9x - 6